Pebble Time vs. Polar Loop 2 vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Garmin Vivosmart 4

 
Time
Loop 2
645 Music
On Full Guard 2.5
Vivosmart 4
 PebbleTimeRemove Buy NowPolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$120$450$325$130
Release20152015201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 days (without notifications)7 days4 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a240 x 240454x45448 x 128
Size1.26 inchesn/a1.2 inches1.39 inches0.74 inches
Touch
Typee-paperLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OS
Apps
Music

All Wearables